body {
    font-family: "Helvetica Neue", "Hiragino Sans GB", "Microsoft YaHei", "\9ED1\4F53", Arial, sans-serif;
    letter-spacing: .2px;
    text-rendering: optimizeLegibility;
  }
  .markdown-section h1,
  .markdown-section h2,
  .markdown-section h3,
  .markdown-section h4,
  .markdown-section h5,
  .markdown-section h6 {
    margin-bottom: .5em;
    font-weight: 400;
  }
  .markdown-section p {
    line-height: 2;
  }
  .markdown-section img {
    padding: 8px;
    background: #e4e4e478;
    transition: all 1s;
    box-sizing: border-box;
    box-shadow: 0 0 4px #dcdcdc;
    margin-left: 10px;
    margin-right: 10px;
    max-width: 95%;
  }
  .markdown-section img:hover {
    box-shadow: 0 0 10px #bbb
  }
  
  .exc-trigger {
    color: #333333;
  }
  
  .navigation {
    display: none;
  }
  
  /*Book inner page*/
  
  .book-summary-title {
    height: 50px;
    line-height: 50px;
    padding-left: 30px;
    font-size: 16px;
    color: #adadad;
  }
  
  .book-summary,
  .book-body {
    top: 80px;
  }
  
  .articles li.active {
    border-right: 3px solid #42b983;
    background: #edf7f2;
  }
  
  .book-summary ul.summary li.active>a {
    color: #42b983;
    text-decoration: none;
  }
  
  .book-summary ul.summary li a:hover {
    text-decoration: none;
  }
  
  .page-inner {
    max-width: none;
    padding: 20px 270px 40px 40px;
  }
  
  .header-inner #book-search-input {
    float: right;
    width: 300px;
    margin: 10px 0;
    padding: 0;
    border: none;
    user-select: none;
  }
  
  .header-inner #book-search-input input[type="text"] {
    width: 80%;
    background: #f2f2f2;
    border-radius: 18px;
    padding: 6px 13px;
  }
  
  .header-inner #book-search-input #searchBtn {
    color: #ffffff;
    margin-left: 10px;
    cursor: pointer;
  }
  
  .header-inner #book-search-input #searchBtn:hover {
    color: #eae8e8;
  }
  
  .header-inner {
    width: 100%;
    padding: 10px 30px;
    border-bottom: 1px solid #dededede;
    margin: auto;
    *zoom: 1;
    height: 80px;
  }
  
  .header-inner:before,
  .header-inner:after {
    content: " ";
    display: table;
    line-height: 0;
  }
  
  .header-inner:after {
    clear: both;
  }
  
  .header-inner .logo {
    float: left;
    height: 50px;
    width: 120px;
    background: url('./logo.png');
    background-size: 120px 50px;
    background-repeat: no-repeat;
  }
  
  .header-inner .logo img {
    display: block;
    height: inherit;
    padding: 5px 0;
  }
  
  .header-inner .title {
    float: left;
    font-size: 20px;
    line-height: 60px;
    margin-left: 10px;
    color: #575656;
  }
  
  /* 导航 */
  .header-inner .header-nav {
    list-style: none;
    margin: 10px 20px 0 0;
    padding: 0;
    float: right;
    display: table;
  }
  
  .header-inner .header-nav li {
    display: table-cell;
    vertical-align: middle;
    min-width: 50px;
    margin-right: 20px;
    padding: 8px 10px 8px 10px;
  }
  
  .header-inner .header-nav li a {
    color: #333333;
  }
  
  .header-inner .header-nav li a:hover,
  .header-inner .header-nav li a.active {
    color: #42b983;
  }
  
  .header-inner .header-nav li a.active:hover {
    cursor: #42b983;
  }
  
  @media (max-width: 768px) {
    .book-summary,
    .book-body {
      top: 101px;
    }
    .header-inner #book-search-input {
      clear: both;
      width: 100%;
    }
  }
  /*Book inner page end*/
  
  /* Book  anchor*/
  .book-anchor {
    width: 180px;
    position: absolute;
    top: 130px;
    right: 30px;
    padding: 0 10px 10px 10px;
    z-index: 999;
    user-select: none;
    border-left: 2px solid #ececec;
  }
  .book-anchor-title {
    line-height: 38px;
    font-weight: 400;
    cursor: pointer;
  }
  .book-anchor a {
    display: block;
    line-height: 25px;
    color: #656565;
    font-size: 13px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .book-anchor a:hover {
    color: #42b983;
    text-decoration: none;
  }
  .book-anchor .selected {
    color: #42b983;
    text-decoration: none;
    font-weight: bold;
  }
  .book-anchor .anchor-h1 {}
  .book-anchor .anchor-h2 {
    padding-left: 20px;
  }
  .book-anchor .anchor-h3{
    padding-left: 30px;
  }